{"id":"CVE-2026-90866","aliases":["EUVD-2026-113023","GHSA-p4xx-h8r7-vfh5"],"status":"published","title":"Virtual Folder Path Confinement Bypass in Progress WS_FTP Server","description":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0073,"percentile":0.54711,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-434"],"published":"2026-10-29T15:52:24Z","modified":"2026-10-30T18:18:17Z","products":[{"vendor":"progress software","product":"ws_ftp server"},{"vendor":"progress software corporation","product":"ws_ftp server"}],"references":[{"url":"https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90866"},{"url":"https://github.com/advisories/GHSA-p4xx-h8r7-vfh5"}],"sources":{"cve":[{"id":"CVE-2026-90866","title":"Virtual Folder Path Confinement Bypass in Progress WS_FTP Server","description":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.","status":"published","published":"2026-10-29T15:52:24.79Z","modified":"2026-10-30T17:18:24.557Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-22","CWE-434"],"updated_at":"2026-11-02T13:45:59.110885Z"}],"euvd":[{"id":"EUVD-2026-113023","description":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.","status":"published","published":"2026-10-29T15:52:24Z","modified":"2026-10-30T17:18:24Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:05.130363Z"}],"ghsa":[{"id":"GHSA-p4xx-h8r7-vfh5","title":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and...","description":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.","status":"published","published":"2026-10-29T18:31:07Z","modified":"2026-10-29T18:31:15Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:14:40.528345Z"}],"nvd":[{"id":"CVE-2026-90866","description":"A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.","status":"published","published":"2026-10-29T16:20:04.69Z","modified":"2026-10-30T18:18:17.22Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-22","CWE-434"],"updated_at":"2026-11-02T14:13:04.940026Z"}]}}